Theory of Machine Elements of pairs held together mechanically is known as Rolling pair Open pair Mechanical pair Closed pair Rolling pair Open pair Mechanical pair Closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Neither fixed nor permanent instantaneous centers Permanent instantaneous centers None of these Fixed instantaneous centers Neither fixed nor permanent instantaneous centers Permanent instantaneous centers None of these Fixed instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Hammer blow All of these Variation in tractive force along the line of stroke Swaying couple Hammer blow All of these Variation in tractive force along the line of stroke Swaying couple ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be Without vibrations Over-damped Under damped Critically damped Without vibrations Over-damped Under damped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Open pairs are those which have Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS